dangerous that in Port Douglas/Queensland/Australia you have to swim in nets to not be stung. Second most
. The animal that has killed the most - in fact it is probably the most deadly thing of any kind
The honey badger
(Registered in Guinness book as the most fearless little animal in the world)
Mosquito, it causes malaria which kills over 10,00 humans, cattle and other mammals a year
I think the most graceful animal is probably a Swan because they're good-natured and caring.